body {
  background: pink;
}
body .color-box-list {
  display: flex;
}
body .color-box {
  width: 50px;
  height: 50px;
  margin-right: 20px;
  border: white 1px dashed;
  cursor: pointer;
}
body .color-box:nth-child(1) {
  background: pink;
}
body .color-box:nth-child(2) {
  background: yellowgreen;
}
body .color-box:nth-child(3) {
  background: lightblue;
}
body .color-box:nth-child(4) {
  background: lightsalmon;
}
